128691234

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{340453}}^1$

素因数の和:340471

約数の個数: 32

約数和(自身を含む): 326835840

約数和(自身を除く): 198144606

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 340453, 680906, 1021359, 2042718, 2383171, 3064077, 4766342, 6128154, 7149513, 9192231, 14299026, 18384462, 21448539, 42897078, 64345617, 128691234]

約数ペア:

[(1, 128691234), (2, 64345617), (3, 42897078), (6, 21448539), (7, 18384462), (9, 14299026), (14, 9192231), (18, 7149513), (21, 6128154), (27, 4766342), (42, 3064077), (54, 2383171), (63, 2042718), (126, 1021359), (189, 680906), (378, 340453)]